2770399438 has 8 divisors (see below), whose sum is σ = 4256955360. Its totient is φ = 1351414320.

The previous prime is 2770399433. The next prime is 2770399439. The reversal of 2770399438 is 8349930772.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2770399438² = 15350226092141431688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2770399433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16892598 + ... + 16892761.

It is an arithmetic number, because the mean of its divisors is an integer number (532119420).

Almost surely, 2^2770399438 is an apocalyptic number.

2770399438 is a deficient number, since it is larger than the sum of its proper divisors (1486555922).

2770399438 is a wasteful number, since it uses less digits than its factorization.

2770399438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33785402.

The product of its (nonzero) digits is 2286144, while the sum is 52.

The square root of 2770399438 is about 52634.5840488932. The cubic root of 2770399438 is about 1404.4753786570.

The spelling of 2770399438 in words is "two billion, seven hundred seventy million, three hundred ninety-nine thousand, four hundred thirty-eight".