1357547040 has 360 divisors, whose sum is σ = 4995961740. Its totient is φ = 347120640.

The previous prime is 1357547029. The next prime is 1357547041. The reversal of 1357547040 is 407457531.

It is a happy number.

1357547040 is a `hidden beast` number, since 1 + 3 + 575 + 47 + 0 + 40 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1356301584 + 1245456 = 36828^2 + 1116^2 .

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1357546986 and 1357547004.

It is not an unprimeable number, because it can be changed into a prime (1357547041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 12454506 + ... + 12454614.

Almost surely, 2^1357547040 is an apocalyptic number.

1357547040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1357547040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2497980870).

1357547040 is an abundant number, since it is smaller than the sum of its proper divisors (3638414700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1357547040 is a wasteful number, since it uses less digits than its factorization.

1357547040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 1357547040 is about 36844.9052108972. The cubic root of 1357547040 is about 1107.2651445877.

The spelling of 1357547040 in words is "one billion, three hundred fifty-seven million, five hundred forty-seven thousand, forty".