1464525478 has 16 divisors (see below), whose sum is σ = 2387886480. Its totient is φ = 669616416.

The previous prime is 1464525473. The next prime is 1464525487. The reversal of 1464525478 is 8745254641.

It is a super-2 number, since 2×1464525478² = 4289669751422256968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1464525473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260433 + ... + 265996.

It is an arithmetic number, because the mean of its divisors is an integer number (149242905).

Almost surely, 2^1464525478 is an apocalyptic number.

1464525478 is a deficient number, since it is larger than the sum of its proper divisors (923361002).

1464525478 is a wasteful number, since it uses less digits than its factorization.

1464525478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526551.

The product of its digits is 1075200, while the sum is 46.

The square root of 1464525478 is about 38269.1191171158. The cubic root of 1464525478 is about 1135.6181119606.

The spelling of 1464525478 in words is "one billion, four hundred sixty-four million, five hundred twenty-five thousand, four hundred seventy-eight".