40153470 has 64 divisors (see below), whose sum is σ = 110647296. Its totient is φ = 9135360.

The previous prime is 40153447. The next prime is 40153481. The reversal of 40153470 is 7435104.

It is a super-2 number, since 2×40153470² = 3224602306081800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40153470.

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, 76810 + ... + 77330.

It is an arithmetic number, because the mean of its divisors is an integer number (1728864).

Almost surely, 2^40153470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40153470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55323648).

40153470 is an abundant number, since it is smaller than the sum of its proper divisors (70493826).

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

40153470 is a wasteful number, since it uses less digits than its factorization.

40153470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 40153470 is about 6336.6765737254. The cubic root of 40153470 is about 342.4320144953.

Adding to 40153470 its reverse (7435104), we get a palindrome (47588574).

The spelling of 40153470 in words is "forty million, one hundred fifty-three thousand, four hundred seventy".