40076940 has 24 divisors (see below), whose sum is σ = 112215600. Its totient is φ = 10687168.

The previous prime is 40076929. The next prime is 40076941. The reversal of 40076940 is 4967004.

It is a super-2 number, since 2×40076940² = 3212322239527200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 40076898 and 40076907.

It is not an unprimeable number, because it can be changed into a prime (40076941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333915 + ... + 334034.

It is an arithmetic number, because the mean of its divisors is an integer number (4675650).

Almost surely, 2^40076940 is an apocalyptic number.

It is an amenable number.

40076940 is an abundant number, since it is smaller than the sum of its proper divisors (72138660).

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

40076940 is a wasteful number, since it uses less digits than its factorization.

40076940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667961 (or 667959 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 40076940 is about 6330.6350392358. The cubic root of 40076940 is about 342.2143248085.

The spelling of 40076940 in words is "forty million, seventy-six thousand, nine hundred forty".