40892478 has 16 divisors (see below), whose sum is σ = 89220096. Its totient is φ = 12391640.

The previous prime is 40892477. The next prime is 40892479. The reversal of 40892478 is 87429804.

It is an interprime number because it is at equal distance from previous prime (40892477) and next prime (40892479).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40892471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309726 + ... + 309857.

It is an arithmetic number, because the mean of its divisors is an integer number (5576256).

Almost surely, 2^40892478 is an apocalyptic number.

40892478 is an abundant number, since it is smaller than the sum of its proper divisors (48327618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40892478 is a wasteful number, since it uses less digits than its factorization.

40892478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619599.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 40892478 is about 6394.7226679505. The cubic root of 40892478 is about 344.5200298993.

The spelling of 40892478 in words is "forty million, eight hundred ninety-two thousand, four hundred seventy-eight".