40167751541 has 4 divisors (see below), whose sum is σ = 40230221472. Its totient is φ = 40105281612.

The previous prime is 40167751531. The next prime is 40167751567. The reversal of 40167751541 is 14515776104.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40167751541 is a prime.

It is a super-2 number, since 2×40167751541² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40167751531) 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, 31234001 + ... + 31235286.

It is an arithmetic number, because the mean of its divisors is an integer number (10057555368).

Almost surely, 2^40167751541 is an apocalyptic number.

It is an amenable number.

40167751541 is a deficient number, since it is larger than the sum of its proper divisors (62469931).

40167751541 is an equidigital number, since it uses as much as digits as its factorization.

40167751541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62469930.

The product of its (nonzero) digits is 117600, while the sum is 41.

The spelling of 40167751541 in words is "forty billion, one hundred sixty-seven million, seven hundred fifty-one thousand, five hundred forty-one".