40254221001 has 32 divisors (see below), whose sum is σ = 57157446528. Its totient is φ = 25112125440.

The previous prime is 40254220973. The next prime is 40254221027. The reversal of 40254221001 is 10012245204.

It is not a de Polignac number, because 40254221001 - 2⁵ = 40254220969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40254221101) 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, 9635025 + ... + 9639201.

It is an arithmetic number, because the mean of its divisors is an integer number (1786170204).

Almost surely, 2^40254221001 is an apocalyptic number.

It is an amenable number.

40254221001 is a deficient number, since it is larger than the sum of its proper divisors (16903225527).

40254221001 is a wasteful number, since it uses less digits than its factorization.

40254221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5241.

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 40254221001 its reverse (10012245204), we get a palindrome (50266466205).

The spelling of 40254221001 in words is "forty billion, two hundred fifty-four million, two hundred twenty-one thousand, one".