1351824040 has 32 divisors (see below), whose sum is σ = 3476119680. Its totient is φ = 463482432.

The previous prime is 1351824031. The next prime is 1351824041. The reversal of 1351824040 is 404281531.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (1351824041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2413692 + ... + 2414251.

It is an arithmetic number, because the mean of its divisors is an integer number (108628740).

Almost surely, 2^1351824040 is an apocalyptic number.

1351824040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1351824040 is an abundant number, since it is smaller than the sum of its proper divisors (2124295640).

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

1351824040 is a wasteful number, since it uses less digits than its factorization.

1351824040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4827961 (or 4827957 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 1351824040 is about 36767.1598032810. The cubic root of 1351824040 is about 1105.7069900817.

The spelling of 1351824040 in words is "one billion, three hundred fifty-one million, eight hundred twenty-four thousand, forty".