40266695531398 has 32 divisors (see below), whose sum is σ = 71413627392000. Its totient is φ = 16660982094624.

The previous prime is 40266695531353. The next prime is 40266695531399. The reversal of 40266695531398 is 89313559666204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40266695531399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2908111 + ... + 9433477.

It is an arithmetic number, because the mean of its divisors is an integer number (2231675856000).

Almost surely, 2^{40266695531398} is an apocalyptic number.

40266695531398 is a deficient number, since it is larger than the sum of its proper divisors (31146931860602).

40266695531398 is a wasteful number, since it uses less digits than its factorization.

40266695531398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6540604.

The product of its (nonzero) digits is 251942400, while the sum is 67.

The spelling of 40266695531398 in words is "forty trillion, two hundred sixty-six billion, six hundred ninety-five million, five hundred thirty-one thousand, three hundred ninety-eight".