40050645275550 has 192 divisors, whose sum is σ = 122332619211264. Its totient is φ = 8444320243200.

The previous prime is 40050645275549. The next prime is 40050645275551. The reversal of 40050645275550 is 5557254605004.

It is an interprime number because it is at equal distance from previous prime (40050645275549) and next prime (40050645275551).

It is a self number, because there is not a number n which added to its sum of digits gives 40050645275550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40050645275551) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 18450480 + ... + 20506620.

It is an arithmetic number, because the mean of its divisors is an integer number (637149058392).

Almost surely, 2^{40050645275550} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40050645275550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61166309605632).

40050645275550 is an abundant number, since it is smaller than the sum of its proper divisors (82281973935714).

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

40050645275550 is a wasteful number, since it uses less digits than its factorization.

40050645275550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057603 (or 2057598 counting only the distinct ones).

The product of its (nonzero) digits is 4200000, while the sum is 48.

The spelling of 40050645275550 in words is "forty trillion, fifty billion, six hundred forty-five million, two hundred seventy-five thousand, five hundred fifty".