40554709924 has 27 divisors (see below), whose sum is σ = 75403796097. Its totient is φ = 19081347264.

The previous prime is 40554709913. The next prime is 40554709973. The reversal of 40554709924 is 42990745504.

It is a happy number.

The square root of 40554709924 is 201382.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 31573736100 + 8980973824 = 177690^2 + 94768^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6844027 + ... + 6849949.

Almost surely, 2^40554709924 is an apocalyptic number.

40554709924 is the 201382-nd square number.

It is an amenable number.

40554709924 is a deficient number, since it is larger than the sum of its proper divisors (34849086173).

40554709924 is an frugal number, since it uses more digits than its factorization.

40554709924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11884 (or 5942 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 49.

Multiplying 40554709924 by its sum of digits (49), we get a square (1987180786276 = 1409674²).

The spelling of 40554709924 in words is "forty billion, five hundred fifty-four million, seven hundred nine thousand, nine hundred twenty-four".