40196401 has 8 divisors (see below), whose sum is σ = 46111680. Its totient is φ = 34324368.

The previous prime is 40196383. The next prime is 40196411. The reversal of 40196401 is 10469104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40196401 - 2¹³ = 40188209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40196411) 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, 8791 + ... + 12556.

It is an arithmetic number, because the mean of its divisors is an integer number (5763960).

Almost surely, 2^40196401 is an apocalyptic number.

It is an amenable number.

40196401 is a deficient number, since it is larger than the sum of its proper divisors (5915279).

40196401 is a wasteful number, since it uses less digits than its factorization.

40196401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21623.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 40196401 is about 6340.0631700323. The cubic root of 40196401 is about 342.5540106984.

The spelling of 40196401 in words is "forty million, one hundred ninety-six thousand, four hundred one".