415272251440 has 80 divisors (see below), whose sum is σ = 1007625168576. Its totient is φ = 158864921600.

The previous prime is 415272251419. The next prime is 415272251477. The reversal of 415272251440 is 44152272514.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 415272251440.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21372930 + ... + 21392350.

Almost surely, 2^415272251440 is an apocalyptic number.

415272251440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

415272251440 is an abundant number, since it is smaller than the sum of its proper divisors (592352917136).

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

415272251440 is a wasteful number, since it uses less digits than its factorization.

415272251440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31078 (or 31072 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 37.

The spelling of 415272251440 in words is "four hundred fifteen billion, two hundred seventy-two million, two hundred fifty-one thousand, four hundred forty".