40001252353040 has 40 divisors (see below), whose sum is σ = 101457721879488. Its totient is φ = 14545909946240.

The previous prime is 40001252353037. The next prime is 40001252353109. The reversal of 40001252353040 is 4035325210004.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 40001252352994 and 40001252353012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22727983412 + ... + 22727985171.

Almost surely, 2^{40001252353040} is an apocalyptic number.

40001252353040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40001252353040 is an abundant number, since it is smaller than the sum of its proper divisors (61456469526448).

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

40001252353040 is a wasteful number, since it uses less digits than its factorization.

40001252353040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45455968607 (or 45455968601 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 40001252353040 its reverse (4035325210004), we get a palindrome (44036577563044).

The spelling of 40001252353040 in words is "forty trillion, one billion, two hundred fifty-two million, three hundred fifty-three thousand, forty".