3815474240 has 56 divisors (see below), whose sum is σ = 9257065560. Its totient is φ = 1497387008.

The previous prime is 3815474161. The next prime is 3815474261. The reversal of 3815474240 is 424745183.

It can be written as a sum of positive squares in 4 ways, for example, as 356152384 + 3459321856 = 18872^2 + 58816^2 .

It is a super-2 number, since 2×3815474240² = 29115687352207155200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3815474194 and 3815474203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95525 + ... + 129444.

Almost surely, 2^3815474240 is an apocalyptic number.

It is an amenable number.

3815474240 is an abundant number, since it is smaller than the sum of its proper divisors (5441591320).

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

3815474240 is a wasteful number, since it uses less digits than its factorization.

3815474240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225039 (or 225029 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 3815474240 is about 61769.5251722077. The cubic root of 3815474240 is about 1562.6060756999.

The spelling of 3815474240 in words is "three billion, eight hundred fifteen million, four hundred seventy-four thousand, two hundred forty".