40400514255430 has 48 divisors (see below), whose sum is σ = 84915542827296. Its totient is φ = 13556889838080.

The previous prime is 40400514255379. The next prime is 40400514255433. The reversal of 40400514255430 is 3455241500404.

It is a self number, because there is not a number n which added to its sum of digits gives 40400514255430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40400514255433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130481451 + ... + 130790710.

It is an arithmetic number, because the mean of its divisors is an integer number (1769073808902).

Almost surely, 2^{40400514255430} is an apocalyptic number.

40400514255430 is an abundant number, since it is smaller than the sum of its proper divisors (44515028571866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40400514255430 is a wasteful number, since it uses less digits than its factorization.

40400514255430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261272269 (or 261272222 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 40400514255430 its reverse (3455241500404), we get a palindrome (43855755755834).

The spelling of 40400514255430 in words is "forty trillion, four hundred billion, five hundred fourteen million, two hundred fifty-five thousand, four hundred thirty".