150403521400 has 48 divisors (see below), whose sum is σ = 381478028040. Its totient is φ = 54692188800.

The previous prime is 150403521379. The next prime is 150403521413. The reversal of 150403521400 is 4125304051.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34180419 + ... + 34184818.

Almost surely, 2^150403521400 is an apocalyptic number.

150403521400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150403521400 is an abundant number, since it is smaller than the sum of its proper divisors (231074506640).

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

150403521400 is a wasteful number, since it uses less digits than its factorization.

150403521400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68365264 (or 68365255 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 150403521400 its reverse (4125304051), we get a palindrome (154528825451).

The spelling of 150403521400 in words is "one hundred fifty billion, four hundred three million, five hundred twenty-one thousand, four hundred".