5340405240521 has 12 divisors (see below), whose sum is σ = 5969347799040. Its totient is φ = 4770585321840.

The previous prime is 5340405240509. The next prime is 5340405240523. The reversal of 5340405240521 is 1250425040435.

It is not a de Polignac number, because 5340405240521 - 2²² = 5340401046217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5340405240523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 509672681 + ... + 509683158.

It is an arithmetic number, because the mean of its divisors is an integer number (497445649920).

Almost surely, 2^{5340405240521} is an apocalyptic number.

It is an amenable number.

5340405240521 is a deficient number, since it is larger than the sum of its proper divisors (628942558519).

5340405240521 is a wasteful number, since it uses less digits than its factorization.

5340405240521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019355896 (or 1019355883 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 5340405240521 in words is "five trillion, three hundred forty billion, four hundred five million, two hundred forty thousand, five hundred twenty-one".