40025451540 has 48 divisors (see below), whose sum is σ = 112174171200. Its totient is φ = 10663653120.

The previous prime is 40025451539. The next prime is 40025451541. The reversal of 40025451540 is 4515452004.

It is an interprime number because it is at equal distance from previous prime (40025451539) and next prime (40025451541).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 40025451498 and 40025451507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40025451541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240265 + ... + 371184.

It is an arithmetic number, because the mean of its divisors is an integer number (2336961900).

Almost surely, 2^40025451540 is an apocalyptic number.

It is an amenable number.

40025451540 is an abundant number, since it is smaller than the sum of its proper divisors (72148719660).

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

40025451540 is a wasteful number, since it uses less digits than its factorization.

40025451540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612552 (or 612550 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The spelling of 40025451540 in words is "forty billion, twenty-five million, four hundred fifty-one thousand, five hundred forty".