40407404003400 has 96 divisors (see below), whose sum is σ = 143157659912640. Its totient is φ = 9235978056960.

The previous prime is 40407404003381. The next prime is 40407404003423. The reversal of 40407404003400 is 430040470404.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4810401039 + ... + 4810409438.

It is an arithmetic number, because the mean of its divisors is an integer number (1491225624090).

Almost surely, 2^{40407404003400} is an apocalyptic number.

40407404003400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40407404003400 is an abundant number, since it is smaller than the sum of its proper divisors (102750255909240).

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

40407404003400 is a wasteful number, since it uses less digits than its factorization.

40407404003400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9620810503 (or 9620810494 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 30.

Adding to 40407404003400 its reverse (430040470404), we get a palindrome (40837444473804).

The spelling of 40407404003400 in words is "forty trillion, four hundred seven billion, four hundred four million, three thousand, four hundred".