1551000264 has 48 divisors (see below), whose sum is σ = 4262054160. Its totient is φ = 469999200.

The previous prime is 1551000263. The next prime is 1551000289. The reversal of 1551000264 is 4620001551.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1551000263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 264142 + ... + 269949.

It is an arithmetic number, because the mean of its divisors is an integer number (88792795).

Almost surely, 2^1551000264 is an apocalyptic number.

It is an amenable number.

1551000264 is an abundant number, since it is smaller than the sum of its proper divisors (2711053896).

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

1551000264 is a wasteful number, since it uses less digits than its factorization.

1551000264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534122 (or 534107 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1551000264 is about 39382.7406867526. The cubic root of 1551000264 is about 1157.5434199791.

The spelling of 1551000264 in words is "one billion, five hundred fifty-one million, two hundred sixty-four", and thus it is an aban number.