40671400 has 192 divisors, whose sum is σ = 124992000. Its totient is φ = 11923200.

The previous prime is 40671391. The next prime is 40671431. The reversal of 40671400 is 417604.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 292531 + ... + 292669.

It is an arithmetic number, because the mean of its divisors is an integer number (651000).

Almost surely, 2^40671400 is an apocalyptic number.

40671400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40671400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62496000).

40671400 is an abundant number, since it is smaller than the sum of its proper divisors (84320600).

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

40671400 is a wasteful number, since it uses less digits than its factorization.

40671400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 40671400 is about 6377.4132687164. The cubic root of 40671400 is about 343.8980453220.

The spelling of 40671400 in words is "forty million, six hundred seventy-one thousand, four hundred".