40400370734 has 8 divisors (see below), whose sum is σ = 63235362960. Its totient is φ = 19321916416.

The previous prime is 40400370733. The next prime is 40400370737. The reversal of 40400370734 is 43707300404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 40400370734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40400370733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439134419 + ... + 439134510.

It is an arithmetic number, because the mean of its divisors is an integer number (7904420370).

Almost surely, 2^40400370734 is an apocalyptic number.

40400370734 is a deficient number, since it is larger than the sum of its proper divisors (22834992226).

40400370734 is a wasteful number, since it uses less digits than its factorization.

40400370734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878268954.

The product of its (nonzero) digits is 28224, while the sum is 32.

The spelling of 40400370734 in words is "forty billion, four hundred million, three hundred seventy thousand, seven hundred thirty-four".