1400001480 has 48 divisors (see below), whose sum is σ = 4550005980. Its totient is φ = 373333632.

The previous prime is 1400001479. The next prime is 1400001481. The reversal of 1400001480 is 841000041.

It is an interprime number because it is at equal distance from previous prime (1400001479) and next prime (1400001481).

It can be written as a sum of positive squares in 2 ways, for example, as 1378042884 + 21958596 = 37122^2 + 4686^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

1400001480 is a modest number, since divided by 1480 gives 1400 as remainder.

It is not an unprimeable number, because it can be changed into a prime (1400001481) 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, 1944087 + ... + 1944806.

Almost surely, 2^1400001480 is an apocalyptic number.

1400001480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400001480 is an abundant number, since it is smaller than the sum of its proper divisors (3150004500).

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

1400001480 is a wasteful number, since it uses less digits than its factorization.

1400001480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3888910 (or 3888903 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1400001480 is about 37416.5936450661. The cubic root of 1400001480 is about 1118.6893362859.

The spelling of 1400001480 in words is "one billion, four hundred million, one thousand, four hundred eighty".