1502642664 has 240 divisors, whose sum is σ = 4613875200. Its totient is φ = 455595840.

The previous prime is 1502642663. The next prime is 1502642689. The reversal of 1502642664 is 4662462051.

1502642664 is a `hidden beast` number, since 1 + 5 + 0 + 2 + 642 + 6 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1502642663) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 11831769 + ... + 11831895.

It is an arithmetic number, because the mean of its divisors is an integer number (19224480).

Almost surely, 2^1502642664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1502642664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2306937600).

1502642664 is an abundant number, since it is smaller than the sum of its proper divisors (3111232536).

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

1502642664 is a wasteful number, since it uses less digits than its factorization.

1502642664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 1502642664 is about 38763.9350943632. The cubic root of 1502642664 is about 1145.3860915183.

The spelling of 1502642664 in words is "one billion, five hundred two million, six hundred forty-two thousand, six hundred sixty-four".