40043737407401 has 16 divisors (see below), whose sum is σ = 50616616103424. Its totient is φ = 30826660929984.

The previous prime is 40043737407389. The next prime is 40043737407403. The reversal of 40043737407401 is 10470473734004.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40043737407401 is a prime.

It is a super-2 number, since 2×40043737407401² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40043737407403) 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, 5946497585 + ... + 5946504318.

It is an arithmetic number, because the mean of its divisors is an integer number (3163538506464).

Almost surely, 2^{40043737407401} is an apocalyptic number.

It is an amenable number.

40043737407401 is a deficient number, since it is larger than the sum of its proper divisors (10572878696023).

40043737407401 is a wasteful number, since it uses less digits than its factorization.

40043737407401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11893001960.

The product of its (nonzero) digits is 790272, while the sum is 44.

The spelling of 40043737407401 in words is "forty trillion, forty-three billion, seven hundred thirty-seven million, four hundred seven thousand, four hundred one".