40101270 has 64 divisors (see below), whose sum is σ = 105878016. Its totient is φ = 9639680.

The previous prime is 40101263. The next prime is 40101277. The reversal of 40101270 is 7210104.

It is an interprime number because it is at equal distance from previous prime (40101263) and next prime (40101277).

It is a super-2 number, since 2×40101270² = 3216223711225800, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40101277) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44767 + ... + 45653.

It is an arithmetic number, because the mean of its divisors is an integer number (1654344).

Almost surely, 2^40101270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40101270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52939008).

40101270 is an abundant number, since it is smaller than the sum of its proper divisors (65776746).

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

40101270 is a wasteful number, since it uses less digits than its factorization.

40101270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 40101270 is about 6332.5563558487. The cubic root of 40101270 is about 342.2835615502.

Adding to 40101270 its reverse (7210104), we get a palindrome (47311374).

The spelling of 40101270 in words is "forty million, one hundred one thousand, two hundred seventy".