2400138775 has 12 divisors (see below), whose sum is σ = 2985690352. Its totient is φ = 1913970240.

The previous prime is 2400138743. The next prime is 2400138779. The reversal of 2400138775 is 5778310042.

It is not a de Polignac number, because 2400138775 - 2⁵ = 2400138743 is a prime.

It is a super-2 number, since 2×2400138775² = 11521332278517001250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400138779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145539 + ... + 161188.

Almost surely, 2^2400138775 is an apocalyptic number.

2400138775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2400138775 is a deficient number, since it is larger than the sum of its proper divisors (585551577).

2400138775 is a wasteful number, since it uses less digits than its factorization.

2400138775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307050 (or 307045 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 2400138775 is about 48991.2112016023. The cubic root of 2400138775 is about 1338.8917053774.

The spelling of 2400138775 in words is "two billion, four hundred million, one hundred thirty-eight thousand, seven hundred seventy-five".