40532612221531 has 2 divisors, whose sum is σ = 40532612221532. Its totient is φ = 40532612221530.

The previous prime is 40532612221523. The next prime is 40532612221537. The reversal of 40532612221531 is 13512221623504.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40532612221531 - 2³ = 40532612221523 is a prime.

It is a super-2 number, since 2×40532612221531² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40532612221537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20266306110765 + 20266306110766.

It is an arithmetic number, because the mean of its divisors is an integer number (20266306110766).

Almost surely, 2^{40532612221531} is an apocalyptic number.

40532612221531 is a deficient number, since it is larger than the sum of its proper divisors (1).

40532612221531 is an equidigital number, since it uses as much as digits as its factorization.

40532612221531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 40532612221531 in words is "forty trillion, five hundred thirty-two billion, six hundred twelve million, two hundred twenty-one thousand, five hundred thirty-one".