40075878550 has 12 divisors (see below), whose sum is σ = 74541134196. Its totient is φ = 16030351400.

The previous prime is 40075878529. The next prime is 40075878551. The reversal of 40075878550 is 5587857004.

It is a junction number, because it is equal to n+sod(n) for n = 40075878494 and 40075878503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40075878551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 400758736 + ... + 400758835.

It is an arithmetic number, because the mean of its divisors is an integer number (6211761183).

Almost surely, 2^40075878550 is an apocalyptic number.

40075878550 is a deficient number, since it is larger than the sum of its proper divisors (34465255646).

40075878550 is a wasteful number, since it uses less digits than its factorization.

40075878550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801517583 (or 801517578 counting only the distinct ones).

The product of its (nonzero) digits is 1568000, while the sum is 49.

The spelling of 40075878550 in words is "forty billion, seventy-five million, eight hundred seventy-eight thousand, five hundred fifty".