40761212 has 12 divisors (see below), whose sum is σ = 72541560. Its totient is φ = 20035056.

The previous prime is 40761209. The next prime is 40761233. The reversal of 40761212 is 21216704.

It is a super-2 number, since 2×40761212² = 3322952807417888, 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 3 ways as a sum of consecutive naturals, for example, 86123 + ... + 86594.

It is an arithmetic number, because the mean of its divisors is an integer number (6045130).

Almost surely, 2^40761212 is an apocalyptic number.

It is an amenable number.

40761212 is a deficient number, since it is larger than the sum of its proper divisors (31780348).

40761212 is a wasteful number, since it uses less digits than its factorization.

40761212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172780 (or 172778 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 40761212 is about 6384.4507986200. The cubic root of 40761212 is about 344.1509950972.

Adding to 40761212 its reverse (21216704), we get a palindrome (61977916).

The spelling of 40761212 in words is "forty million, seven hundred sixty-one thousand, two hundred twelve".