40134563144078 has 64 divisors (see below), whose sum is σ = 69052912568640. Its totient is φ = 17331031990272.

The previous prime is 40134563144077. The next prime is 40134563144089. The reversal of 40134563144078 is 87044136543104.

It is a super-2 number, since 2×40134563144078² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40134563144077) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63226553 + ... + 63858171.

It is an arithmetic number, because the mean of its divisors is an integer number (1078951758885).

Almost surely, 2^{40134563144078} is an apocalyptic number.

40134563144078 is a deficient number, since it is larger than the sum of its proper divisors (28918349424562).

40134563144078 is a wasteful number, since it uses less digits than its factorization.

40134563144078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632501.

The product of its (nonzero) digits is 3870720, while the sum is 50.

The spelling of 40134563144078 in words is "forty trillion, one hundred thirty-four billion, five hundred sixty-three million, one hundred forty-four thousand, seventy-eight".