40340421213502 has 16 divisors (see below), whose sum is σ = 61472027505600. Its totient is φ = 19850938918272.

The previous prime is 40340421213457. The next prime is 40340421213539. The reversal of 40340421213502 is 20531212404304.

It is a congruent number.

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, 298317127 + ... + 298452322.

It is an arithmetic number, because the mean of its divisors is an integer number (3842001719100).

Almost surely, 2^{40340421213502} is an apocalyptic number.

40340421213502 is a deficient number, since it is larger than the sum of its proper divisors (21131606292098).

40340421213502 is a wasteful number, since it uses less digits than its factorization.

40340421213502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596769987.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 40340421213502 its reverse (20531212404304), we get a palindrome (60871633617806).

The spelling of 40340421213502 in words is "forty trillion, three hundred forty billion, four hundred twenty-one million, two hundred thirteen thousand, five hundred two".