40231400 has 48 divisors (see below), whose sum is σ = 102047040. Its totient is φ = 14628800.

The previous prime is 40231363. The next prime is 40231409. The reversal of 40231400 is 413204.

40231400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40231409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6944 + ... + 11343.

It is an arithmetic number, because the mean of its divisors is an integer number (2125980).

Almost surely, 2^40231400 is an apocalyptic number.

40231400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40231400 is an abundant number, since it is smaller than the sum of its proper divisors (61815640).

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

40231400 is a wasteful number, since it uses less digits than its factorization.

40231400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18314 (or 18305 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 40231400 is about 6342.8227154793. The cubic root of 40231400 is about 342.6534024315.

Adding to 40231400 its reverse (413204), we get a palindrome (40644604).

It can be divided in two parts, 402 and 31400, that multiplied together give a triangular number (12622800 = T₅₀₂₄).

The spelling of 40231400 in words is "forty million, two hundred thirty-one thousand, four hundred".