40473400 has 48 divisors (see below), whose sum is σ = 102660840. Its totient is φ = 14716800.

The previous prime is 40473371. The next prime is 40473421. The reversal of 40473400 is 437404.

It is a super-2 number, since 2×40473400² = 3276192215120000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6999 + ... + 11398.

Almost surely, 2^40473400 is an apocalyptic number.

40473400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40473400 is an abundant number, since it is smaller than the sum of its proper divisors (62187440).

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

40473400 is a wasteful number, since it uses less digits than its factorization.

40473400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18424 (or 18415 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 40473400 is about 6361.8707940354. The cubic root of 40473400 is about 343.3390725992.

It can be divided in two parts, 4047 and 3400, that added together give a palindrome (7447).

The spelling of 40473400 in words is "forty million, four hundred seventy-three thousand, four hundred".