2132407788 has 48 divisors (see below), whose sum is σ = 5869860864. Its totient is φ = 589605120.

The previous prime is 2132407769. The next prime is 2132407789. The reversal of 2132407788 is 8877042312.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (2132407789) 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, 406845 + ... + 412052.

It is an arithmetic number, because the mean of its divisors is an integer number (122288768).

Almost surely, 2^2132407788 is an apocalyptic number.

2132407788 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2132407788 is an abundant number, since it is smaller than the sum of its proper divisors (3737453076).

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

2132407788 is a wasteful number, since it uses less digits than its factorization.

2132407788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818942 (or 818940 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 2132407788 is about 46178.0011260773. The cubic root of 2132407788 is about 1287.1329850043.

The spelling of 2132407788 in words is "two billion, one hundred thirty-two million, four hundred seven thousand, seven hundred eighty-eight".