3115438550 has 96 divisors (see below), whose sum is σ = 7274534400. Its totient is φ = 967887360.

The previous prime is 3115438541. The next prime is 3115438577. The reversal of 3115438550 is 558345113.

It is a super-2 number, since 2×3115438550² = 19411914717652205000, which contains 22 as substring.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3115438550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 142766 + ... + 163134.

It is an arithmetic number, because the mean of its divisors is an integer number (75776400).

Almost surely, 2^3115438550 is an apocalyptic number.

3115438550 is an abundant number, since it is smaller than the sum of its proper divisors (4159095850).

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

3115438550 is a wasteful number, since it uses less digits than its factorization.

3115438550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20430 (or 20425 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 3115438550 is about 55816.1137127980. The cubic root of 3115438550 is about 1460.5162604747.

The spelling of 3115438550 in words is "three billion, one hundred fifteen million, four hundred thirty-eight thousand, five hundred fifty".