40211012 has 6 divisors (see below), whose sum is σ = 70369278. Its totient is φ = 20105504.

The previous prime is 40211009. The next prime is 40211053. The reversal of 40211012 is 21011204.

It can be written as a sum of positive squares in only one way, i.e., 39740416 + 470596 = 6304^2 + 686^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40210984 and 40211002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5026373 + ... + 5026380.

It is an arithmetic number, because the mean of its divisors is an integer number (11728213).

Almost surely, 2^40211012 is an apocalyptic number.

It is an amenable number.

40211012 is a deficient number, since it is larger than the sum of its proper divisors (30158266).

40211012 is a wasteful number, since it uses less digits than its factorization.

40211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10052757 (or 10052755 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 40211012 is about 6341.2153409264. The cubic root of 40211012 is about 342.5955106853.

Adding to 40211012 its reverse (21011204), we get a palindrome (61222216).

The spelling of 40211012 in words is "forty million, two hundred eleven thousand, twelve".