40453252000000 has 252 divisors, whose sum is σ = 115353579705280. Its totient is φ = 13869676800000.

The previous prime is 40453251999983. The next prime is 40453252000013. The reversal of 40453252000000 is 25235404.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 27277621 + ... + 28722379.

Almost surely, 2^{40453252000000} is an apocalyptic number.

40453252000000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40453252000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57676789852640).

40453252000000 is an abundant number, since it is smaller than the sum of its proper divisors (74900327705280).

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

40453252000000 is an frugal number, since it uses more digits than its factorization.

40453252000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444812 (or 1444773 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 40453252000000 its reverse (25235404), we get a palindrome (40453277235404).

The spelling of 40453252000000 in words is "forty trillion, four hundred fifty-three billion, two hundred fifty-two million", and thus it is an aban number.