2653426450640 has 40 divisors (see below), whose sum is σ = 7050533141760. Its totient is φ = 909746211456.

The previous prime is 2653426450513. The next prime is 2653426450643. The reversal of 2653426450640 is 460546243562.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2653426450643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2369130200 + ... + 2369131319.

It is an arithmetic number, because the mean of its divisors is an integer number (176263328544).

Almost surely, 2^{2653426450640} is an apocalyptic number.

2653426450640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2653426450640 is an abundant number, since it is smaller than the sum of its proper divisors (4397106691120).

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

2653426450640 is a wasteful number, since it uses less digits than its factorization.

2653426450640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4738261539 (or 4738261533 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 47.

The spelling of 2653426450640 in words is "two trillion, six hundred fifty-three billion, four hundred twenty-six million, four hundred fifty thousand, six hundred forty".