40619481 has 12 divisors (see below), whose sum is σ = 63001872. Its totient is φ = 23211048.

The previous prime is 40619471. The next prime is 40619483. The reversal of 40619481 is 18491604.

It is not a de Polignac number, because 40619481 - 2⁶ = 40619417 is a prime.

It is a super-2 number, since 2×40619481² = 3299884473418722, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (40619483) 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, 138015 + ... + 138308.

It is an arithmetic number, because the mean of its divisors is an integer number (5250156).

Almost surely, 2^40619481 is an apocalyptic number.

It is an amenable number.

40619481 is a deficient number, since it is larger than the sum of its proper divisors (22382391).

40619481 is a wasteful number, since it uses less digits than its factorization.

40619481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276340 (or 276333 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 40619481 is about 6373.3414313059. The cubic root of 40619481 is about 343.7516488736.

The spelling of 40619481 in words is "forty million, six hundred nineteen thousand, four hundred eighty-one".