36405378683542 has 16 divisors (see below), whose sum is σ = 59574878118864. Its totient is φ = 16547221548000.

The previous prime is 36405378683539. The next prime is 36405378683551. The reversal of 36405378683542 is 24538687350463.

It is a happy number.

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, 33343209 + ... + 34417732.

It is an arithmetic number, because the mean of its divisors is an integer number (3723429882429).

Almost surely, 2^{36405378683542} is an apocalyptic number.

36405378683542 is a deficient number, since it is larger than the sum of its proper divisors (23169499435322).

36405378683542 is a wasteful number, since it uses less digits than its factorization.

36405378683542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67785375.

The product of its (nonzero) digits is 348364800, while the sum is 64.

The spelling of 36405378683542 in words is "thirty-six trillion, four hundred five billion, three hundred seventy-eight million, six hundred eighty-three thousand, five hundred forty-two".