140406630462 has 36 divisors (see below), whose sum is σ = 353882019816. Its totient is φ = 40116179880.

The previous prime is 140406630439. The next prime is 140406630467. The reversal of 140406630462 is 264036604041.

140406630462 is a `hidden beast` number, since 14 + 0 + 4 + 0 + 6 + 630 + 4 + 6 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140406630467) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 79594714 + ... + 79596477.

It is an arithmetic number, because the mean of its divisors is an integer number (9830056106).

Almost surely, 2^140406630462 is an apocalyptic number.

140406630462 is an abundant number, since it is smaller than the sum of its proper divisors (213475389354).

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

140406630462 is a wasteful number, since it uses less digits than its factorization.

140406630462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159191213 (or 159191203 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 140406630462 in words is "one hundred forty billion, four hundred six million, six hundred thirty thousand, four hundred sixty-two".