40929460 has 72 divisors (see below), whose sum is σ = 101821608. Its totient is φ = 13728000.

The previous prime is 40929451. The next prime is 40929481. The reversal of 40929460 is 6492904.

It can be written as a sum of positive squares in 4 ways, for example, as 2439844 + 38489616 = 1562^2 + 6204^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30810 + ... + 32110.

It is an arithmetic number, because the mean of its divisors is an integer number (1414189).

Almost surely, 2^40929460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40929460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50910804).

40929460 is an abundant number, since it is smaller than the sum of its proper divisors (60892148).

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

40929460 is a wasteful number, since it uses less digits than its factorization.

40929460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345 (or 1332 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 40929460 is about 6397.6136175921. The cubic root of 40929460 is about 344.6238566617.

The spelling of 40929460 in words is "forty million, nine hundred twenty-nine thousand, four hundred sixty".