40151040 has 96 divisors (see below), whose sum is σ = 128550240. Its totient is φ = 10698752.

The previous prime is 40151029. The next prime is 40151053. The reversal of 40151040 is 4015104.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×40151040² = 3224212026163200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30067 + ... + 31373.

It is an arithmetic number, because the mean of its divisors is an integer number (1339065).

Almost surely, 2^40151040 is an apocalyptic number.

40151040 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 40151040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64275120).

40151040 is an abundant number, since it is smaller than the sum of its proper divisors (88399200).

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

40151040 is a wasteful number, since it uses less digits than its factorization.

40151040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337 (or 1317 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 40151040 is about 6336.4848299353. The cubic root of 40151040 is about 342.4251066110.

Adding to 40151040 its reverse (4015104), we get a palindrome (44166144).

The spelling of 40151040 in words is "forty million, one hundred fifty-one thousand, forty".