2438429656 has 16 divisors (see below), whose sum is σ = 4923752400. Its totient is φ = 1125429024.

The previous prime is 2438429641. The next prime is 2438429683. The reversal of 2438429656 is 6569248342.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11723116 + ... + 11723323.

It is an arithmetic number, because the mean of its divisors is an integer number (307734525).

Almost surely, 2^2438429656 is an apocalyptic number.

2438429656 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2438429656 is an abundant number, since it is smaller than the sum of its proper divisors (2485322744).

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

2438429656 is a wasteful number, since it uses less digits than its factorization.

2438429656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23446458 (or 23446454 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 49.

The square root of 2438429656 is about 49380.4582400771. The cubic root of 2438429656 is about 1345.9742265193.

The spelling of 2438429656 in words is "two billion, four hundred thirty-eight million, four hundred twenty-nine thousand, six hundred fifty-six".