40304242023400 has 24 divisors (see below), whose sum is σ = 93707362704870. Its totient is φ = 16121696809280.

The previous prime is 40304242023391. The next prime is 40304242023443. The reversal of 40304242023400 is 432024240304.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 23431814972164 + 16872427051236 = 4840642^2 + 4107606^2 .

It is a super-2 number, since 2×40304242023400² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100760604859 + ... + 100760605258.

Almost surely, 2^{40304242023400} is an apocalyptic number.

40304242023400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40304242023400 is an abundant number, since it is smaller than the sum of its proper divisors (53403120681470).

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

40304242023400 is a wasteful number, since it uses less digits than its factorization.

40304242023400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201521210133 (or 201521210124 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 40304242023400 its reverse (432024240304), we get a palindrome (40736266263704).

The spelling of 40304242023400 in words is "forty trillion, three hundred four billion, two hundred forty-two million, twenty-three thousand, four hundred".