3915500742 has 16 divisors (see below), whose sum is σ = 8701112880. Its totient is φ = 1305166896.

The previous prime is 3915500723. The next prime is 3915500747. The reversal of 3915500742 is 2470055193.

3915500742 is a `hidden beast` number, since 39 + 1 + 550 + 0 + 74 + 2 = 666.

3915500742 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3915500742² = 30662292121205101128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3915500697 and 3915500706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3915500747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36254583 + ... + 36254690.

It is an arithmetic number, because the mean of its divisors is an integer number (543819555).

Almost surely, 2^3915500742 is an apocalyptic number.

3915500742 is an abundant number, since it is smaller than the sum of its proper divisors (4785612138).

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

3915500742 is a wasteful number, since it uses less digits than its factorization.

3915500742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72509284 (or 72509278 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 3915500742 is about 62573.9621727760. The cubic root of 3915500742 is about 1576.1435540837.

The spelling of 3915500742 in words is "three billion, nine hundred fifteen million, five hundred thousand, seven hundred forty-two".