3524567640 has 128 divisors (see below), whose sum is σ = 12142137600. Its totient is φ = 809464320.

The previous prime is 3524567623. The next prime is 3524567671. The reversal of 3524567640 is 467654253.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3524567592 and 3524567601.

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, 45187 + ... + 95346.

It is an arithmetic number, because the mean of its divisors is an integer number (94860450).

Almost surely, 2^3524567640 is an apocalyptic number.

3524567640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3524567640 is an abundant number, since it is smaller than the sum of its proper divisors (8617569960).

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

3524567640 is a wasteful number, since it uses less digits than its factorization.

3524567640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140577 (or 140573 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 42.

The square root of 3524567640 is about 59368.0691954859. The cubic root of 3524567640 is about 1521.8386740666.

The spelling of 3524567640 in words is "three billion, five hundred twenty-four million, five hundred sixty-seven thousand, six hundred forty".