2400252117663 has 16 divisors (see below), whose sum is σ = 3388647454560. Its totient is φ = 1506015553536.

The previous prime is 2400252117661. The next prime is 2400252117673. The reversal of 2400252117663 is 3667112520042.

It is not a de Polignac number, because 2400252117663 - 2¹ = 2400252117661 is a prime.

It is a super-2 number, since 2×2400252117663² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400252117661) 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, 2998681 + ... + 3713837.

It is an arithmetic number, because the mean of its divisors is an integer number (211790465910).

Almost surely, 2^{2400252117663} is an apocalyptic number.

2400252117663 is a deficient number, since it is larger than the sum of its proper divisors (988395336897).

2400252117663 is a wasteful number, since it uses less digits than its factorization.

2400252117663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780986.

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 2400252117663 in words is "two trillion, four hundred billion, two hundred fifty-two million, one hundred seventeen thousand, six hundred sixty-three".