40273537423263 has 32 divisors (see below), whose sum is σ = 54082199508480. Its totient is φ = 26657776544640.

The previous prime is 40273537423199. The next prime is 40273537423271. The reversal of 40273537423263 is 36232473537204.

It is a happy number.

It is not a de Polignac number, because 40273537423263 - 2⁶ = 40273537423199 is a prime.

It is a super-2 number, since 2×40273537423263² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40273537423663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 294305128 + ... + 294441938.

It is an arithmetic number, because the mean of its divisors is an integer number (1690068734640).

Almost surely, 2^{40273537423263} is an apocalyptic number.

40273537423263 is a deficient number, since it is larger than the sum of its proper divisors (13808662085217).

40273537423263 is a wasteful number, since it uses less digits than its factorization.

40273537423263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138319.

The product of its (nonzero) digits is 15240960, while the sum is 51.

The spelling of 40273537423263 in words is "forty trillion, two hundred seventy-three billion, five hundred thirty-seven million, four hundred twenty-three thousand, two hundred sixty-three".