40002440440402 has 16 divisors (see below), whose sum is σ = 65482720211232. Its totient is φ = 18176210442720.

The previous prime is 40002440440351. The next prime is 40002440440427. The reversal of 40002440440402 is 20404404420004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335790603 + ... + 335909710.

It is an arithmetic number, because the mean of its divisors is an integer number (4092670013202).

Almost surely, 2^{40002440440402} is an apocalyptic number.

40002440440402 is a deficient number, since it is larger than the sum of its proper divisors (25480279770830).

40002440440402 is a wasteful number, since it uses less digits than its factorization.

40002440440402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671703033.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 40002440440402 its reverse (20404404420004), we get a palindrome (60406844860406).

The spelling of 40002440440402 in words is "forty trillion, two billion, four hundred forty million, four hundred forty thousand, four hundred two".