61406062264520 has 64 divisors (see below), whose sum is σ = 144824961536640. Its totient is φ = 23406054336000.

The previous prime is 61406062264517. The next prime is 61406062264523. The reversal of 61406062264520 is 2546226060416.

It is an interprime number because it is at equal distance from previous prime (61406062264517) and next prime (61406062264523).

It is a super-2 number, since 2×61406062264520² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61406062264523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435309956 + ... + 435450995.

It is an arithmetic number, because the mean of its divisors is an integer number (2262890024010).

Almost surely, 2^{61406062264520} is an apocalyptic number.

It is an amenable number.

61406062264520 is an abundant number, since it is smaller than the sum of its proper divisors (83418899272120).

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

61406062264520 is a wasteful number, since it uses less digits than its factorization.

61406062264520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870761046 (or 870761042 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 61406062264520 in words is "sixty-one trillion, four hundred six billion, sixty-two million, two hundred sixty-four thousand, five hundred twenty".