40550240544 has 48 divisors (see below), whose sum is σ = 116121146400. Its totient is φ = 12287951360.

The previous prime is 40550240543. The next prime is 40550240561. The reversal of 40550240544 is 44504205504.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×40550240544² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (40550240543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19198869 + ... + 19200980.

It is an arithmetic number, because the mean of its divisors is an integer number (2419190550).

Almost surely, 2^40550240544 is an apocalyptic number.

40550240544 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40550240544 is an abundant number, since it is smaller than the sum of its proper divisors (75570905856).

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

40550240544 is a wasteful number, since it uses less digits than its factorization.

40550240544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38399873 (or 38399865 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 33.

The spelling of 40550240544 in words is "forty billion, five hundred fifty million, two hundred forty thousand, five hundred forty-four".