1551488260 has 48 divisors (see below), whose sum is σ = 3728672640. Its totient is φ = 531210240.

The previous prime is 1551488251. The next prime is 1551488269. The reversal of 1551488260 is 628841551.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1551488251) and next prime (1551488269).

It is not an unprimeable number, because it can be changed into a prime (1551488269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100455 + ... + 114865.

It is an arithmetic number, because the mean of its divisors is an integer number (77680680).

Almost surely, 2^1551488260 is an apocalyptic number.

1551488260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1551488260 is an abundant number, since it is smaller than the sum of its proper divisors (2177184380).

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

1551488260 is a wasteful number, since it uses less digits than its factorization.

1551488260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15196 (or 15194 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 40.

The square root of 1551488260 is about 39388.9357561232. The cubic root of 1551488260 is about 1157.6648077354.

The spelling of 1551488260 in words is "one billion, five hundred fifty-one million, four hundred eighty-eight thousand, two hundred sixty".