1550404152 has 96 divisors (see below), whose sum is σ = 4750462080. Its totient is φ = 469812960.

The previous prime is 1550404139. The next prime is 1550404169. The reversal of 1550404152 is 2514040551.

1550404152 is a `hidden beast` number, since 1 + 5 + 504 + 0 + 4 + 152 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14868 + ... + 57635.

It is an arithmetic number, because the mean of its divisors is an integer number (49483980).

Almost surely, 2^1550404152 is an apocalyptic number.

1550404152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1550404152 is an abundant number, since it is smaller than the sum of its proper divisors (3200057928).

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

1550404152 is a wasteful number, since it uses less digits than its factorization.

1550404152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72535 (or 72519 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 1550404152 is about 39375.1717710539. The cubic root of 1550404152 is about 1157.3951040913.

The spelling of 1550404152 in words is "one billion, five hundred fifty million, four hundred four thousand, one hundred fifty-two".