62406640261 has 16 divisors (see below), whose sum is σ = 73280955904. Its totient is φ = 52023337344.

The previous prime is 62406640249. The next prime is 62406640273. The reversal of 62406640261 is 16204660426.

62406640261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (62406640249) and next prime (62406640273).

It is a cyclic number.

It is not a de Polignac number, because 62406640261 - 2¹¹ = 62406638213 is a prime.

It is a super-2 number, since 2×62406640261² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 62406640261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (62406640291) 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, 566641 + ... + 667753.

It is an arithmetic number, because the mean of its divisors is an integer number (4580059744).

Almost surely, 2^62406640261 is an apocalyptic number.

It is an amenable number.

62406640261 is a deficient number, since it is larger than the sum of its proper divisors (10874315643).

62406640261 is a wasteful number, since it uses less digits than its factorization.

62406640261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103540.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 62406640261 in words is "sixty-two billion, four hundred six million, six hundred forty thousand, two hundred sixty-one".