40254661020007 has 16 divisors (see below), whose sum is σ = 48867150491712. Its totient is φ = 32370596444160.

The previous prime is 40254661020001. The next prime is 40254661020071. The reversal of 40254661020007 is 70002016645204.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40254661020007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40254661020001) 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, 540337294 + ... + 540411787.

It is an arithmetic number, because the mean of its divisors is an integer number (3054196905732).

Almost surely, 2^{40254661020007} is an apocalyptic number.

40254661020007 is a deficient number, since it is larger than the sum of its proper divisors (8612489471705).

40254661020007 is a wasteful number, since it uses less digits than its factorization.

40254661020007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080749418.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 40254661020007 in words is "forty trillion, two hundred fifty-four billion, six hundred sixty-one million, twenty thousand, seven".