40422023251551 has 48 divisors (see below), whose sum is σ = 60450037939200. Its totient is φ = 26001272522880.

The previous prime is 40422023251531. The next prime is 40422023251627. The reversal of 40422023251551 is 15515232022404.

40422023251551 is a `hidden beast` number, since 4 + 0 + 4 + 2 + 20 + 2 + 32 + 51 + 551 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-40422023251551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40422023251531) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 163462800 + ... + 163709898.

It is an arithmetic number, because the mean of its divisors is an integer number (1259375790400).

Almost surely, 2^{40422023251551} is an apocalyptic number.

40422023251551 is a deficient number, since it is larger than the sum of its proper divisors (20028014687649).

40422023251551 is a wasteful number, since it uses less digits than its factorization.

40422023251551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248876 (or 248873 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 40422023251551 its reverse (15515232022404), we get a palindrome (55937255273955).

The spelling of 40422023251551 in words is "forty trillion, four hundred twenty-two billion, twenty-three million, two hundred fifty-one thousand, five hundred fifty-one".