40254053427456 has 144 divisors (see below), whose sum is σ = 117006666896448. Its totient is φ = 12184349900800.

The previous prime is 40254053427397. The next prime is 40254053427457. The reversal of 40254053427456 is 65472435045204.

It is a junction number, because it is equal to n+sod(n) for n = 40254053427399 and 40254053427408.

It is not an unprimeable number, because it can be changed into a prime (40254053427457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4738420 + ... + 10146956.

It is an arithmetic number, because the mean of its divisors is an integer number (812546297892).

Almost surely, 2^{40254053427456} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40254053427456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58503333448224).

40254053427456 is an abundant number, since it is smaller than the sum of its proper divisors (76752613468992).

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

40254053427456 is a wasteful number, since it uses less digits than its factorization.

40254053427456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5409448 (or 5409434 counting only the distinct ones).

The product of its (nonzero) digits is 16128000, while the sum is 51.

The spelling of 40254053427456 in words is "forty trillion, two hundred fifty-four billion, fifty-three million, four hundred twenty-seven thousand, four hundred fifty-six".