40020150 has 24 divisors (see below), whose sum is σ = 99250344. Its totient is φ = 10672000.

The previous prime is 40020131. The next prime is 40020151. The reversal of 40020150 is 5102004.

It is a super-2 number, since 2×40020150² = 3203224812045000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40020151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133251 + ... + 133550.

It is an arithmetic number, because the mean of its divisors is an integer number (4135431).

Almost surely, 2^40020150 is an apocalyptic number.

40020150 is an abundant number, since it is smaller than the sum of its proper divisors (59230194).

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

40020150 is a wasteful number, since it uses less digits than its factorization.

40020150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266816 (or 266811 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 40020150 is about 6326.1481171405. The cubic root of 40020150 is about 342.0526063873.

Adding to 40020150 its reverse (5102004), we get a palindrome (45122154).

The spelling of 40020150 in words is "forty million, twenty thousand, one hundred fifty".