40452007474120 has 128 divisors (see below), whose sum is σ = 101204829578880. Its totient is φ = 14426553856000.

The previous prime is 40452007474103. The next prime is 40452007474121. The reversal of 40452007474120 is 2147470025404.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (40452007474121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58680240 + ... + 59365600.

It is an arithmetic number, because the mean of its divisors is an integer number (790662731085).

Almost surely, 2^{40452007474120} is an apocalyptic number.

40452007474120 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 40452007474120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50602414789440).

40452007474120 is an abundant number, since it is smaller than the sum of its proper divisors (60752822104760).

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

40452007474120 is a wasteful number, since it uses less digits than its factorization.

40452007474120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687967 (or 687963 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 40.

Adding to 40452007474120 its reverse (2147470025404), we get a palindrome (42599477499524).

The spelling of 40452007474120 in words is "forty trillion, four hundred fifty-two billion, seven million, four hundred seventy-four thousand, one hundred twenty".