40369401 has 8 divisors (see below), whose sum is σ = 59806560. Its totient is φ = 26912916.

The previous prime is 40369367. The next prime is 40369423. The reversal of 40369401 is 10496304.

It is a de Polignac number, because none of the positive numbers 2^k-40369401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1495163 = 40369401 / (4 + 0 + 3 + 6 + 9 + 4 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (40369451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 747555 + ... + 747608.

It is an arithmetic number, because the mean of its divisors is an integer number (7475820).

Almost surely, 2^40369401 is an apocalyptic number.

It is an amenable number.

40369401 is a deficient number, since it is larger than the sum of its proper divisors (19437159).

40369401 is a wasteful number, since it uses less digits than its factorization.

40369401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495172 (or 1495166 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 40369401 is about 6353.6919188768. The cubic root of 40369401 is about 343.0447430915.

The spelling of 40369401 in words is "forty million, three hundred sixty-nine thousand, four hundred one".