40921079 has 8 divisors (see below), whose sum is σ = 44077440. Its totient is φ = 37865016.

The previous prime is 40921061. The next prime is 40921081. The reversal of 40921079 is 97012904.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40921079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40921039) 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, 24227 + ... + 25860.

It is an arithmetic number, because the mean of its divisors is an integer number (5509680).

Almost surely, 2^40921079 is an apocalyptic number.

40921079 is a deficient number, since it is larger than the sum of its proper divisors (3156361).

40921079 is a wasteful number, since it uses less digits than its factorization.

40921079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50149.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 40921079 is about 6396.9585741976. The cubic root of 40921079 is about 344.6003325326.

The spelling of 40921079 in words is "forty million, nine hundred twenty-one thousand, seventy-nine".