2540366400620 has 12 divisors (see below), whose sum is σ = 5334769441344. Its totient is φ = 1016146560240.

The previous prime is 2540366400617. The next prime is 2540366400661. The reversal of 2540366400620 is 260046630452.

2540366400620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2540366400620² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63509159996 + ... + 63509160035.

It is an arithmetic number, because the mean of its divisors is an integer number (444564120112).

Almost surely, 2^{2540366400620} is an apocalyptic number.

2540366400620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2540366400620 is an abundant number, since it is smaller than the sum of its proper divisors (2794403040724).

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

2540366400620 is a wasteful number, since it uses less digits than its factorization.

2540366400620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127018320040 (or 127018320038 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 2540366400620 in words is "two trillion, five hundred forty billion, three hundred sixty-six million, four hundred thousand, six hundred twenty".