40001480 has 16 divisors (see below), whose sum is σ = 90003420. Its totient is φ = 16000576.

The previous prime is 40001473. The next prime is 40001483. The reversal of 40001480 is 8410004.

It is a happy number.

40001480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 38613796 + 1387684 = 6214^2 + 1178^2 .

40001480 is a modest number, since divided by 1480 gives 40 as remainder.

It is not an unprimeable number, because it can be changed into a prime (40001483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499979 + ... + 500058.

Almost surely, 2^40001480 is an apocalyptic number.

40001480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40001480 is an abundant number, since it is smaller than the sum of its proper divisors (50001940).

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

40001480 is a wasteful number, since it uses less digits than its factorization.

40001480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000048 (or 1000044 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 40001480 is about 6324.6723235279. The cubic root of 40001480 is about 341.9994072240. Note that the first 3 decimals are identical.

Adding to 40001480 its reverse (8410004), we get a palindrome (48411484).

The spelling of 40001480 in words is "forty million, one thousand, four hundred eighty".