3235775640 has 64 divisors (see below), whose sum is σ = 9711243360. Its totient is φ = 862525440.

The previous prime is 3235775623. The next prime is 3235775651. The reversal of 3235775640 is 465775323.

It is a junction number, because it is equal to n+sod(n) for n = 3235775592 and 3235775601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454992 + ... + 462048.

Almost surely, 2^3235775640 is an apocalyptic number.

3235775640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3235775640 is an abundant number, since it is smaller than the sum of its proper divisors (6475467720).

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

3235775640 is a wasteful number, since it uses less digits than its factorization.

3235775640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10892 (or 10888 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 42.

The square root of 3235775640 is about 56883.8785597466. The cubic root of 3235775640 is about 1479.0838681348.

The spelling of 3235775640 in words is "three billion, two hundred thirty-five million, seven hundred seventy-five thousand, six hundred forty".