40902519394 has 16 divisors (see below), whose sum is σ = 67271155776. Its totient is φ = 18497676400.

The previous prime is 40902519353. The next prime is 40902519403. The reversal of 40902519394 is 49391520904.

It is a super-2 number, since 2×40902519394² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4714462 + ... + 4723129.

It is an arithmetic number, because the mean of its divisors is an integer number (4204447236).

Almost surely, 2^40902519394 is an apocalyptic number.

40902519394 is a deficient number, since it is larger than the sum of its proper divisors (26368636382).

40902519394 is a wasteful number, since it uses less digits than its factorization.

40902519394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9437801.

The product of its (nonzero) digits is 349920, while the sum is 46.

The spelling of 40902519394 in words is "forty billion, nine hundred two million, five hundred nineteen thousand, three hundred ninety-four".