40122253025 has 12 divisors (see below), whose sum is σ = 49754693100. Its totient is φ = 32095802880.

The previous prime is 40122252949. The next prime is 40122253081. The reversal of 40122253025 is 52035222104.

It can be written as a sum of positive squares in 6 ways, for example, as 11248087249 + 28874165776 = 106057^2 + 169924^2 .

It is not a de Polignac number, because 40122253025 - 2¹⁴ = 40122236641 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40122252985 and 40122253003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 462281 + ... + 542169.

It is an arithmetic number, because the mean of its divisors is an integer number (4146224425).

Almost surely, 2^40122253025 is an apocalyptic number.

It is an amenable number.

40122253025 is a deficient number, since it is larger than the sum of its proper divisors (9632440075).

40122253025 is a wasteful number, since it uses less digits than its factorization.

40122253025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99988 (or 99983 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 40122253025 its reverse (52035222104), we get a palindrome (92157475129).

The spelling of 40122253025 in words is "forty billion, one hundred twenty-two million, two hundred fifty-three thousand, twenty-five".