40781767134 has 32 divisors (see below), whose sum is σ = 82064513664. Its totient is φ = 13510483040.

The previous prime is 40781767129. The next prime is 40781767163. The reversal of 40781767134 is 43176718704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3942349 + ... + 3952679.

It is an arithmetic number, because the mean of its divisors is an integer number (2564516052).

Almost surely, 2^40781767134 is an apocalyptic number.

40781767134 is an abundant number, since it is smaller than the sum of its proper divisors (41282746530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40781767134 is a wasteful number, since it uses less digits than its factorization.

40781767134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14312.

The product of its (nonzero) digits is 790272, while the sum is 48.

The spelling of 40781767134 in words is "forty billion, seven hundred eighty-one million, seven hundred sixty-seven thousand, one hundred thirty-four".