2150132640 has 48 divisors (see below), whose sum is σ = 6772919328. Its totient is φ = 573368576.

The previous prime is 2150132629. The next prime is 2150132671. The reversal of 2150132640 is 462310512.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is a self number, because there is not a number n which added to its sum of digits gives 2150132640.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2239242 + ... + 2240201.

It is an arithmetic number, because the mean of its divisors is an integer number (141102486).

Almost surely, 2^2150132640 is an apocalyptic number.

2150132640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2150132640 is an abundant number, since it is smaller than the sum of its proper divisors (4622786688).

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

2150132640 is a wasteful number, since it uses less digits than its factorization.

2150132640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4479461 (or 4479453 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2150132640 is about 46369.5227493232. The cubic root of 2150132640 is about 1290.6894217599.

The spelling of 2150132640 in words is "two billion, one hundred fifty million, one hundred thirty-two thousand, six hundred forty".