3520624940 has 96 divisors (see below), whose sum is σ = 8788106880. Its totient is φ = 1159151616.

The previous prime is 3520624907. The next prime is 3520624963. The reversal of 3520624940 is 494260253.

3520624940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 3520624940.

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, 781334 + ... + 785826.

It is an arithmetic number, because the mean of its divisors is an integer number (91542780).

Almost surely, 2^3520624940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3520624940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4394053440).

3520624940 is an abundant number, since it is smaller than the sum of its proper divisors (5267481940).

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

3520624940 is a wasteful number, since it uses less digits than its factorization.

3520624940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4731 (or 4729 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 3520624940 is about 59334.8543438003. The cubic root of 3520624940 is about 1521.2710023529.

The spelling of 3520624940 in words is "three billion, five hundred twenty million, six hundred twenty-four thousand, nine hundred forty".