40571789994 has 48 divisors (see below), whose sum is σ = 93493999872. Its totient is φ = 12671305344.

The previous prime is 40571789969. The next prime is 40571790023. The reversal of 40571789994 is 49998717504.

40571789994 is a `hidden beast` number, since 405 + 71 + 78 + 9 + 9 + 94 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 229044 + ... + 365519.

It is an arithmetic number, because the mean of its divisors is an integer number (1947791664).

Almost surely, 2^40571789994 is an apocalyptic number.

40571789994 is an abundant number, since it is smaller than the sum of its proper divisors (52922209878).

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

40571789994 is a wasteful number, since it uses less digits than its factorization.

40571789994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594811 (or 594808 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 63.

The spelling of 40571789994 in words is "forty billion, five hundred seventy-one million, seven hundred eighty-nine thousand, nine hundred ninety-four".