40400007406734 has 16 divisors (see below), whose sum is σ = 81600014961360. Its totient is φ = 13333335777600.

The previous prime is 40400007406727. The next prime is 40400007406741. The reversal of 40400007406734 is 43760470000404.

It is an interprime number because it is at equal distance from previous prime (40400007406727) and next prime (40400007406741).

It is a junction number, because it is equal to n+sod(n) for n = 40400007406692 and 40400007406701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33333338839 + ... + 33333340050.

It is an arithmetic number, because the mean of its divisors is an integer number (5100000935085).

Almost surely, 2^{40400007406734} is an apocalyptic number.

40400007406734 is an abundant number, since it is smaller than the sum of its proper divisors (41200007554626).

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

40400007406734 is a wasteful number, since it uses less digits than its factorization.

40400007406734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66666678995.

The product of its (nonzero) digits is 225792, while the sum is 39.

The spelling of 40400007406734 in words is "forty trillion, four hundred billion, seven million, four hundred six thousand, seven hundred thirty-four".