40942415 has 16 divisors (see below), whose sum is σ = 51979968. Its totient is φ = 30894336.

The previous prime is 40942411. The next prime is 40942417. The reversal of 40942415 is 51424904.

It is not a de Polignac number, because 40942415 - 2² = 40942411 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 (40942411) 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, 5957 + ... + 10833.

It is an arithmetic number, because the mean of its divisors is an integer number (3248748).

Almost surely, 2^40942415 is an apocalyptic number.

40942415 is a deficient number, since it is larger than the sum of its proper divisors (11037553).

40942415 is a wasteful number, since it uses less digits than its factorization.

40942415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4978.

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

The square root of 40942415 is about 6398.6260243899. The cubic root of 40942415 is about 344.6602129610.

It can be divided in two parts, 409 and 42415, that added together give a palindrome (42824).

The spelling of 40942415 in words is "forty million, nine hundred forty-two thousand, four hundred fifteen".