40401443204 has 6 divisors (see below), whose sum is σ = 70702525614. Its totient is φ = 20200721600.

The previous prime is 40401443183. The next prime is 40401443207. The reversal of 40401443204 is 40234410404.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 23396761600 + 17004681604 = 152960^2 + 130402^2 .

It is a super-2 number, since 2×40401443204² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40401443207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050180397 + ... + 5050180404.

It is an arithmetic number, because the mean of its divisors is an integer number (11783754269).

Almost surely, 2^40401443204 is an apocalyptic number.

It is an amenable number.

40401443204 is a deficient number, since it is larger than the sum of its proper divisors (30301082410).

40401443204 is a wasteful number, since it uses less digits than its factorization.

40401443204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10100360805 (or 10100360803 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 40401443204 its reverse (40234410404), we get a palindrome (80635853608).

The spelling of 40401443204 in words is "forty billion, four hundred one million, four hundred forty-three thousand, two hundred four".