2438077720 has 64 divisors (see below), whose sum is σ = 6218604000. Its totient is φ = 852830208.

The previous prime is 2438077703. The next prime is 2438077757. The reversal of 2438077720 is 277708342.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113505 + ... + 133264.

Almost surely, 2^2438077720 is an apocalyptic number.

2438077720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2438077720 is an abundant number, since it is smaller than the sum of its proper divisors (3780526280).

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

2438077720 is a wasteful number, since it uses less digits than its factorization.

2438077720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246812 (or 246808 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 40.

The square root of 2438077720 is about 49376.8945965621. The cubic root of 2438077720 is about 1345.9094690533.

The spelling of 2438077720 in words is "two billion, four hundred thirty-eight million, seventy-seven thousand, seven hundred twenty".