40787863378086 has 32 divisors (see below), whose sum is σ = 88991983542528. Its totient is φ = 12359919484640.

The previous prime is 40787863378021. The next prime is 40787863378111. The reversal of 40787863378086 is 68087336878704.

It is a junction number, because it is equal to n+sod(n) for n = 40787863377999 and 40787863378017.

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, 25375615 + ... + 26935061.

It is an arithmetic number, because the mean of its divisors is an integer number (2780999485704).

Almost surely, 2^{40787863378086} is an apocalyptic number.

40787863378086 is an abundant number, since it is smaller than the sum of its proper divisors (48204120164442).

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

40787863378086 is a wasteful number, since it uses less digits than its factorization.

40787863378086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1955756.

The product of its (nonzero) digits is 1820786688, while the sum is 75.

The spelling of 40787863378086 in words is "forty trillion, seven hundred eighty-seven billion, eight hundred sixty-three million, three hundred seventy-eight thousand, eighty-six".