2640472076142 has 24 divisors (see below), whose sum is σ = 5875645071816. Its totient is φ = 856369321776.

The previous prime is 2640472076119. The next prime is 2640472076167. The reversal of 2640472076142 is 2416702740462.

2640472076142 is a `hidden beast` number, since 2 + 6 + 4 + 0 + 4 + 7 + 20 + 7 + 614 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1982335728 + ... + 1982337059.

It is an arithmetic number, because the mean of its divisors is an integer number (244818544659).

Almost surely, 2^{2640472076142} is an apocalyptic number.

2640472076142 is an abundant number, since it is smaller than the sum of its proper divisors (3235172995674).

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

2640472076142 is a wasteful number, since it uses less digits than its factorization.

2640472076142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3964672832 (or 3964672829 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 45.

The spelling of 2640472076142 in words is "two trillion, six hundred forty billion, four hundred seventy-two million, seventy-six thousand, one hundred forty-two".