151255553440 has 48 divisors (see below), whose sum is σ = 366056901000. Its totient is φ = 59026554880.

The previous prime is 151255553417. The next prime is 151255553441. The reversal of 151255553440 is 44355552151.

It can be written as a sum of positive squares in 4 ways, for example, as 122839034256 + 28416519184 = 350484^2 + 168572^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 151255553393 and 151255553402.

It is not an unprimeable number, because it can be changed into a prime (151255553441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11522065 + ... + 11535184.

Almost surely, 2^151255553440 is an apocalyptic number.

151255553440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151255553440 is an abundant number, since it is smaller than the sum of its proper divisors (214801347560).

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

151255553440 is a wasteful number, since it uses less digits than its factorization.

151255553440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23057305 (or 23057297 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 40.

The spelling of 151255553440 in words is "one hundred fifty-one billion, two hundred fifty-five million, five hundred fifty-three thousand, four hundred forty".