40821406402 has 16 divisors (see below), whose sum is σ = 70658969472. Its totient is φ = 17325034560.

The previous prime is 40821406369. The next prime is 40821406403. The reversal of 40821406402 is 20460412804.

It is not an unprimeable number, because it can be changed into a prime (40821406403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14152999 + ... + 14155882.

It is an arithmetic number, because the mean of its divisors is an integer number (4416185592).

Almost surely, 2^40821406402 is an apocalyptic number.

40821406402 is a deficient number, since it is larger than the sum of its proper divisors (29837563070).

40821406402 is a wasteful number, since it uses less digits than its factorization.

40821406402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28308993.

The product of its (nonzero) digits is 12288, while the sum is 31.

The spelling of 40821406402 in words is "forty billion, eight hundred twenty-one million, four hundred six thousand, four hundred two".