40861862688 has 48 divisors (see below), whose sum is σ = 112907783520. Its totient is φ = 12903745536.

The previous prime is 40861862653. The next prime is 40861862719. The reversal of 40861862688 is 88626816804.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11199345 + ... + 11202992.

It is an arithmetic number, because the mean of its divisors is an integer number (2352245490).

Almost surely, 2^40861862688 is an apocalyptic number.

40861862688 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40861862688 is an abundant number, since it is smaller than the sum of its proper divisors (72045920832).

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

40861862688 is a wasteful number, since it uses less digits than its factorization.

40861862688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22402369 (or 22402361 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 57.

The spelling of 40861862688 in words is "forty billion, eight hundred sixty-one million, eight hundred sixty-two thousand, six hundred eighty-eight".