40221403022025 has 18 divisors (see below), whose sum is σ = 72041001857630. Its totient is φ = 21451414944960.

The previous prime is 40221403021951. The next prime is 40221403022027. The reversal of 40221403022025 is 52022030412204.

40221403022025 is a `hidden beast` number, since 402 + 2 + 1 + 4 + 0 + 30 + 220 + 2 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 7086781734201 + 33134621287824 = 2662101^2 + 5756268^2 .

It is not a de Polignac number, because 40221403022025 - 2⁸ = 40221403021769 is a prime.

It is a super-2 number, since 2×40221403022025² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40221403022025.

It is not an unprimeable number, because it can be changed into a prime (40221403022027) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 89380895380 + ... + 89380895829.

Almost surely, 2^{40221403022025} is an apocalyptic number.

40221403022025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40221403022025 is a deficient number, since it is larger than the sum of its proper divisors (31819598835605).

40221403022025 is a wasteful number, since it uses less digits than its factorization.

40221403022025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178761791225 (or 178761791217 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 40221403022025 its reverse (52022030412204), we get a palindrome (92243433434229).

The spelling of 40221403022025 in words is "forty trillion, two hundred twenty-one billion, four hundred three million, twenty-two thousand, twenty-five".