40024400402 has 64 divisors (see below), whose sum is σ = 72530208000. Its totient is φ = 16538417280.

The previous prime is 40024400401. The next prime is 40024400407. The reversal of 40024400402 is 20400442004.

It is not an unprimeable number, because it can be changed into a prime (40024400401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26279213 + ... + 26280735.

It is an arithmetic number, because the mean of its divisors is an integer number (1133284500).

Almost surely, 2^40024400402 is an apocalyptic number.

40024400402 is a deficient number, since it is larger than the sum of its proper divisors (32505807598).

40024400402 is a wasteful number, since it uses less digits than its factorization.

40024400402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2896 (or 2882 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 40024400402 its reverse (20400442004), we get a palindrome (60424842406).

The spelling of 40024400402 in words is "forty billion, twenty-four million, four hundred thousand, four hundred two".