2639140231392 has 192 divisors, whose sum is σ = 8827164380160. Its totient is φ = 751466045952.

The previous prime is 2639140231267. The next prime is 2639140231411. The reversal of 2639140231392 is 2931320419362.

2639140231392 is a `hidden beast` number, since 2 + 63 + 91 + 402 + 3 + 13 + 92 = 666.

It is a super-2 number, since 2×2639140231392² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1027413 + ... + 2516715.

It is an arithmetic number, because the mean of its divisors is an integer number (45974814480).

Almost surely, 2^{2639140231392} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2639140231392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4413582190080).

2639140231392 is an abundant number, since it is smaller than the sum of its proper divisors (6188024148768).

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

2639140231392 is a wasteful number, since it uses less digits than its factorization.

2639140231392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489622 (or 1489608 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The spelling of 2639140231392 in words is "two trillion, six hundred thirty-nine billion, one hundred forty million, two hundred thirty-one thousand, three hundred ninety-two".