40070204247 has 4 divisors (see below), whose sum is σ = 53426939000. Its totient is φ = 26713469496.

The previous prime is 40070204231. The next prime is 40070204257. The reversal of 40070204247 is 74240207004.

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

It is not a de Polignac number, because 40070204247 - 2⁴ = 40070204231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40070204257) 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, 6678367372 + ... + 6678367377.

It is an arithmetic number, because the mean of its divisors is an integer number (13356734750).

Almost surely, 2^40070204247 is an apocalyptic number.

40070204247 is a deficient number, since it is larger than the sum of its proper divisors (13356734753).

40070204247 is a wasteful number, since it uses less digits than its factorization.

40070204247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13356734752.

The product of its (nonzero) digits is 12544, while the sum is 30.

The spelling of 40070204247 in words is "forty billion, seventy million, two hundred four thousand, two hundred forty-seven".