3125155440390 has 32 divisors (see below), whose sum is σ = 7502558090976. Its totient is φ = 833132002560.

The previous prime is 3125155440317. The next prime is 3125155440391. The reversal of 3125155440390 is 930445515213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125155440391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15069141 + ... + 15275120.

It is an arithmetic number, because the mean of its divisors is an integer number (234454940343).

Almost surely, 2^{3125155440390} is an apocalyptic number.

3125155440390 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3125155440390 is an abundant number, since it is smaller than the sum of its proper divisors (4377402650586).

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

3125155440390 is a wasteful number, since it uses less digits than its factorization.

3125155440390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30347704.

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 3125155440390 in words is "three trillion, one hundred twenty-five billion, one hundred fifty-five million, four hundred forty thousand, three hundred ninety".