140400064462 has 24 divisors (see below), whose sum is σ = 245698083216. Its totient is φ = 60171441792.

The previous prime is 140400064459. The next prime is 140400064489. The reversal of 140400064462 is 264460004041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2054803 + ... + 2122030.

It is an arithmetic number, because the mean of its divisors is an integer number (10237420134).

Almost surely, 2^140400064462 is an apocalyptic number.

140400064462 is a deficient number, since it is larger than the sum of its proper divisors (105298018754).

140400064462 is an frugal number, since it uses more digits than its factorization.

140400064462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4176870 (or 4176842 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The spelling of 140400064462 in words is "one hundred forty billion, four hundred million, sixty-four thousand, four hundred sixty-two".