40000500001 has 16 divisors (see below), whose sum is σ = 49877111808. Its totient is φ = 31165246800.

The previous prime is 40000499993. The next prime is 40000500053. The reversal of 40000500001 is 10000500004.

It is a cyclic number.

It is not a de Polignac number, because 40000500001 - 2³ = 40000499993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40000500091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 671436 + ... + 728578.

It is an arithmetic number, because the mean of its divisors is an integer number (3117319488).

Almost surely, 2^40000500001 is an apocalyptic number.

40000500001 is the 100001-st decagonal number.

It is an amenable number.

40000500001 is a deficient number, since it is larger than the sum of its proper divisors (9876611807).

40000500001 is a wasteful number, since it uses less digits than its factorization.

40000500001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66252.

The product of its (nonzero) digits is 20, while the sum is 10.

The spelling of 40000500001 in words is "forty billion, five hundred thousand, one".