40043166020 has 48 divisors (see below), whose sum is σ = 98791818048. Its totient is φ = 13441061760.

The previous prime is 40043165993. The next prime is 40043166061. The reversal of 40043166020 is 2066134004.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 6997694 + ... + 7003413.

It is an arithmetic number, because the mean of its divisors is an integer number (2058162876).

Almost surely, 2^40043166020 is an apocalyptic number.

It is an amenable number.

40043166020 is an abundant number, since it is smaller than the sum of its proper divisors (58748652028).

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

40043166020 is a wasteful number, since it uses less digits than its factorization.

40043166020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14001140 (or 14001138 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The spelling of 40043166020 in words is "forty billion, forty-three million, one hundred sixty-six thousand, twenty".