40145262 has 16 divisors (see below), whose sum is σ = 85013712. Its totient is φ = 12594560.

The previous prime is 40145249. The next prime is 40145299. The reversal of 40145262 is 26254104.

It is a super-2 number, since 2×40145262² = 3223284122097288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196689 + ... + 196892.

It is an arithmetic number, because the mean of its divisors is an integer number (5313357).

Almost surely, 2^40145262 is an apocalyptic number.

40145262 is an abundant number, since it is smaller than the sum of its proper divisors (44868450).

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

40145262 is a wasteful number, since it uses less digits than its factorization.

40145262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393603.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 40145262 is about 6336.0288825099. The cubic root of 40145262 is about 342.4086800777.

Adding to 40145262 its reverse (26254104), we get a palindrome (66399366).

The spelling of 40145262 in words is "forty million, one hundred forty-five thousand, two hundred sixty-two".