40007073407 has 4 divisors (see below), whose sum is σ = 45722369616. Its totient is φ = 34291777200.

The previous prime is 40007073401. The next prime is 40007073527. The reversal of 40007073407 is 70437070004.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40007073407 - 2⁴ = 40007073391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40007073401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2857648094 + ... + 2857648107.

It is an arithmetic number, because the mean of its divisors is an integer number (11430592404).

Almost surely, 2^40007073407 is an apocalyptic number.

40007073407 is a deficient number, since it is larger than the sum of its proper divisors (5715296209).

40007073407 is an equidigital number, since it uses as much as digits as its factorization.

40007073407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5715296208.

The product of its (nonzero) digits is 16464, while the sum is 32.

The spelling of 40007073407 in words is "forty billion, seven million, seventy-three thousand, four hundred seven".