40202061394 has 16 divisors (see below), whose sum is σ = 65789691840. Its totient is φ = 18272414160.

The previous prime is 40202061379. The next prime is 40202061401. The reversal of 40202061394 is 49316020204.

It is a happy number.

It is an unprimeable number.

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, 317812 + ... + 425920.

It is an arithmetic number, because the mean of its divisors is an integer number (4111855740).

Almost surely, 2^40202061394 is an apocalyptic number.

40202061394 is a deficient number, since it is larger than the sum of its proper divisors (25587630446).

40202061394 is a wasteful number, since it uses less digits than its factorization.

40202061394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125025.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 40202061394 its reverse (49316020204), we get a palindrome (89518081598).

The spelling of 40202061394 in words is "forty billion, two hundred two million, sixty-one thousand, three hundred ninety-four".