40253200234440 has 32 divisors (see below), whose sum is σ = 120759600703680. Its totient is φ = 10734186729152.

The previous prime is 40253200234409. The next prime is 40253200234447. The reversal of 40253200234440 is 4443200235204.

It is a super-2 number, since 2×40253200234440² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40253200234447) 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, 167721667524 + ... + 167721667763.

It is an arithmetic number, because the mean of its divisors is an integer number (3773737521990).

Almost surely, 2^{40253200234440} is an apocalyptic number.

40253200234440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40253200234440 is an abundant number, since it is smaller than the sum of its proper divisors (80506400469240).

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

40253200234440 is a wasteful number, since it uses less digits than its factorization.

40253200234440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335443335301 (or 335443335297 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 33.

Adding to 40253200234440 its reverse (4443200235204), we get a palindrome (44696400469644).

The spelling of 40253200234440 in words is "forty trillion, two hundred fifty-three billion, two hundred million, two hundred thirty-four thousand, four hundred forty".