40948479 has 24 divisors (see below), whose sum is σ = 69490512. Its totient is φ = 22907520.

The previous prime is 40948471. The next prime is 40948517. The reversal of 40948479 is 97484904.

It is not a de Polignac number, because 40948479 - 2³ = 40948471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40948471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14622 + ... + 17195.

It is an arithmetic number, because the mean of its divisors is an integer number (2895438).

Almost surely, 2^40948479 is an apocalyptic number.

40948479 is a deficient number, since it is larger than the sum of its proper divisors (28542033).

40948479 is a wasteful number, since it uses less digits than its factorization.

40948479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31847 (or 31844 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 40948479 is about 6399.0998585739. The cubic root of 40948479 is about 344.6772280488.

The spelling of 40948479 in words is "forty million, nine hundred forty-eight thousand, four hundred seventy-nine".