1551451260 has 48 divisors (see below), whose sum is σ = 4347848736. Its totient is φ = 413359872.

The previous prime is 1551451259. The next prime is 1551451273. The reversal of 1551451260 is 621541551.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 62122 + ... + 83438.

It is an arithmetic number, because the mean of its divisors is an integer number (90580182).

Almost surely, 2^1551451260 is an apocalyptic number.

1551451260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1551451260 is an abundant number, since it is smaller than the sum of its proper divisors (2796397476).

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

1551451260 is a wasteful number, since it uses less digits than its factorization.

1551451260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22542 (or 22540 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

The square root of 1551451260 is about 39388.4660782824. The cubic root of 1551451260 is about 1157.6556049720.

The spelling of 1551451260 in words is "one billion, five hundred fifty-one million, four hundred fifty-one thousand, two hundred sixty".