40941951 has 4 divisors (see below), whose sum is σ = 54589272. Its totient is φ = 27294632.

The previous prime is 40941913. The next prime is 40941961. The reversal of 40941951 is 15914904.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40941951 - 2¹³ = 40933759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40941911) 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, 6823656 + ... + 6823661.

It is an arithmetic number, because the mean of its divisors is an integer number (13647318).

Almost surely, 2^40941951 is an apocalyptic number.

40941951 is a deficient number, since it is larger than the sum of its proper divisors (13647321).

40941951 is a wasteful number, since it uses less digits than its factorization.

40941951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13647320.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 40941951 is about 6398.5897665032. The cubic root of 40941951 is about 344.6589109458.

The spelling of 40941951 in words is "forty million, nine hundred forty-one thousand, nine hundred fifty-one".