150631620440 has 64 divisors (see below), whose sum is σ = 387672341760. Its totient is φ = 51600608640.

The previous prime is 150631620439. The next prime is 150631620457. The reversal of 150631620440 is 44026136051.

It is a junction number, because it is equal to n+sod(n) for n = 150631620397 and 150631620406.

It is a congruent number.

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, 94355 + ... + 556925.

It is an arithmetic number, because the mean of its divisors is an integer number (6057380340).

Almost surely, 2^150631620440 is an apocalyptic number.

150631620440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150631620440 is an abundant number, since it is smaller than the sum of its proper divisors (237040721320).

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

150631620440 is a wasteful number, since it uses less digits than its factorization.

150631620440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463752 (or 463748 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 150631620440 its reverse (44026136051), we get a palindrome (194657756491).

The spelling of 150631620440 in words is "one hundred fifty billion, six hundred thirty-one million, six hundred twenty thousand, four hundred forty".