40225011332021 has 16 divisors (see below), whose sum is σ = 41939013028800. Its totient is φ = 38544286492800.

The previous prime is 40225011332017. The next prime is 40225011332027. The reversal of 40225011332021 is 12023311052204.

It is a cyclic number.

It is not a de Polignac number, because 40225011332021 - 2² = 40225011332017 is a prime.

It is a super-2 number, since 2×40225011332021² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40225011332027) 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, 8182121 + ... + 12140721.

It is an arithmetic number, because the mean of its divisors is an integer number (2621188314300).

Almost surely, 2^{40225011332021} is an apocalyptic number.

It is an amenable number.

40225011332021 is a deficient number, since it is larger than the sum of its proper divisors (1714001696779).

40225011332021 is a wasteful number, since it uses less digits than its factorization.

40225011332021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3962804.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 40225011332021 its reverse (12023311052204), we get a palindrome (52248322384225).

The spelling of 40225011332021 in words is "forty trillion, two hundred twenty-five billion, eleven million, three hundred thirty-two thousand, twenty-one".