40067430 has 64 divisors (see below), whose sum is σ = 105090048. Its totient is φ = 9717120.

The previous prime is 40067429. The next prime is 40067459. The reversal of 40067430 is 3476004.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40067430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26967 + ... + 28413.

It is an arithmetic number, because the mean of its divisors is an integer number (1642032).

Almost surely, 2^40067430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40067430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52545024).

40067430 is an abundant number, since it is smaller than the sum of its proper divisors (65022618).

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

40067430 is a wasteful number, since it uses less digits than its factorization.

40067430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 40067430 is about 6329.8838851909. The cubic root of 40067430 is about 342.1872542481.

The spelling of 40067430 in words is "forty million, sixty-seven thousand, four hundred thirty".