40906901 has 4 divisors (see below), whose sum is σ = 46750752. Its totient is φ = 35063052.

The previous prime is 40906891. The next prime is 40906927. The reversal of 40906901 is 10960904.

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 not a de Polignac number, because 40906901 - 2⁶ = 40906837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40906951) 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, 2921915 + ... + 2921928.

It is an arithmetic number, because the mean of its divisors is an integer number (11687688).

Almost surely, 2^40906901 is an apocalyptic number.

It is an amenable number.

40906901 is a deficient number, since it is larger than the sum of its proper divisors (5843851).

40906901 is an equidigital number, since it uses as much as digits as its factorization.

40906901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5843850.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 40906901 is about 6395.8502953087. The cubic root of 40906901 is about 344.5605298359.

The spelling of 40906901 in words is "forty million, nine hundred six thousand, nine hundred one".