1552400630 has 32 divisors (see below), whose sum is σ = 3122709408. Its totient is φ = 550739200.

The previous prime is 1552400621. The next prime is 1552400669. The reversal of 1552400630 is 360042551.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1552400630.

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, 167597 + ... + 176616.

It is an arithmetic number, because the mean of its divisors is an integer number (97584669).

Almost surely, 2^1552400630 is an apocalyptic number.

1552400630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1552400630 is an abundant number, since it is smaller than the sum of its proper divisors (1570308778).

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

1552400630 is a wasteful number, since it uses less digits than its factorization.

1552400630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344272.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1552400630 is about 39400.5156057633. The cubic root of 1552400630 is about 1157.8916891746.

The spelling of 1552400630 in words is "one billion, five hundred fifty-two million, four hundred thousand, six hundred thirty".