40025408688 has 60 divisors (see below), whose sum is σ = 116164288968. Its totient is φ = 13341801600.

The previous prime is 40025408669. The next prime is 40025408699. The reversal of 40025408688 is 88680452004.

40025408688 is a `hidden beast` number, since 40 + 0 + 2 + 540 + 8 + 68 + 8 = 666.

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, 5143413 + ... + 5151188.

Almost surely, 2^40025408688 is an apocalyptic number.

40025408688 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40025408688 is an abundant number, since it is smaller than the sum of its proper divisors (76138880280).

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

40025408688 is a wasteful number, since it uses less digits than its factorization.

40025408688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10294624 (or 10294606 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The spelling of 40025408688 in words is "forty billion, twenty-five million, four hundred eight thousand, six hundred eighty-eight".