40154548996 has 9 divisors (see below), whose sum is σ = 70271162101. Its totient is φ = 20077074112.

The previous prime is 40154548969. The next prime is 40154548999. The reversal of 40154548996 is 69984545104.

The square root of 40154548996 is 200386.

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., 32066064900 + 8088484096 = 179070^2 + 89936^2 .

It is a super-2 number, since 2×40154548996² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40154548999) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 350676 + ... + 450868.

Almost surely, 2^40154548996 is an apocalyptic number.

40154548996 is the 200386-th square number.

It is an amenable number.

40154548996 is a deficient number, since it is larger than the sum of its proper divisors (30116613105).

40154548996 is an frugal number, since it uses more digits than its factorization.

40154548996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200390 (or 100195 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 55.

The spelling of 40154548996 in words is "forty billion, one hundred fifty-four million, five hundred forty-eight thousand, nine hundred ninety-six".