40424951 has 16 divisors (see below), whose sum is σ = 49632000. Its totient is φ = 32820984.

The previous prime is 40424933. The next prime is 40424983. The reversal of 40424951 is 15942404.

It is not a de Polignac number, because 40424951 - 2⁶ = 40424887 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 (40424051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3416 + ... + 9618.

It is an arithmetic number, because the mean of its divisors is an integer number (3102000).

Almost surely, 2^40424951 is an apocalyptic number.

40424951 is a deficient number, since it is larger than the sum of its proper divisors (9207049).

40424951 is an equidigital number, since it uses as much as digits as its factorization.

40424951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6243 (or 6229 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 40424951 is about 6358.0618902304. The cubic root of 40424951 is about 343.2020189902.

The spelling of 40424951 in words is "forty million, four hundred twenty-four thousand, nine hundred fifty-one".