1357287040 has 192 divisors, whose sum is σ = 3587421600. Its totient is φ = 489646080.

The previous prime is 1357287013. The next prime is 1357287053. The reversal of 1357287040 is 407827531.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6432535 + ... + 6432745.

Almost surely, 2^1357287040 is an apocalyptic number.

1357287040 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 1357287040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1793710800).

1357287040 is an abundant number, since it is smaller than the sum of its proper divisors (2230134560).

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

1357287040 is a wasteful number, since it uses less digits than its factorization.

1357287040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 1357287040 is about 36841.3767386617. The cubic root of 1357287040 is about 1107.1944515632.

The spelling of 1357287040 in words is "one billion, three hundred fifty-seven million, two hundred eighty-seven thousand, forty".