3501566040 has 128 divisors (see below), whose sum is σ = 12329948160. Its totient is φ = 778719744.

The previous prime is 3501565967. The next prime is 3501566051. The reversal of 3501566040 is 406651053.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3501565989 and 3501566007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25252 + ... + 87411.

It is an arithmetic number, because the mean of its divisors is an integer number (96327720).

Almost surely, 2^3501566040 is an apocalyptic number.

3501566040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3501566040 is an abundant number, since it is smaller than the sum of its proper divisors (8828382120).

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

3501566040 is a wasteful number, since it uses less digits than its factorization.

3501566040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112721 (or 112717 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 3501566040 is about 59174.0318045002. The cubic root of 3501566040 is about 1518.5209007338.

The spelling of 3501566040 in words is "three billion, five hundred one million, five hundred sixty-six thousand, forty".