140604065405840 has 80 divisors (see below), whose sum is σ = 328289144400000. Its totient is φ = 56003901628416.

The previous prime is 140604065405831. The next prime is 140604065406029. The reversal of 140604065405840 is 48504560406041.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×140604065405840² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14001869 + ... + 21846291.

It is an arithmetic number, because the mean of its divisors is an integer number (4103614305000).

Almost surely, 2^{140604065405840} is an apocalyptic number.

140604065405840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140604065405840 is an abundant number, since it is smaller than the sum of its proper divisors (187685078994160).

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

140604065405840 is a wasteful number, since it uses less digits than its factorization.

140604065405840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7845384 (or 7845378 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 47.

The spelling of 140604065405840 in words is "one hundred forty trillion, six hundred four billion, sixty-five million, four hundred five thousand, eight hundred forty".