40821480 has 192 divisors, whose sum is σ = 154103040. Its totient is φ = 9179136.

The previous prime is 40821461. The next prime is 40821497. The reversal of 40821480 is 8412804.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 244357 + ... + 244523.

It is an arithmetic number, because the mean of its divisors is an integer number (802620).

Almost surely, 2^40821480 is an apocalyptic number.

40821480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40821480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77051520).

40821480 is an abundant number, since it is smaller than the sum of its proper divisors (113281560).

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

40821480 is a wasteful number, since it uses less digits than its factorization.

40821480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 40821480 is about 6389.1689600448. The cubic root of 40821480 is about 344.3205278229.

The spelling of 40821480 in words is "forty million, eight hundred twenty-one thousand, four hundred eighty".