1554342540740 has 24 divisors (see below), whose sum is σ = 3560857457472. Its totient is φ = 565215469280.

The previous prime is 1554342540691. The next prime is 1554342540749. The reversal of 1554342540740 is 470452434551.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 1554342540691 and 1554342540700.

It is not an unprimeable number, because it can be changed into a prime (1554342540749) 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, 3532596464 + ... + 3532596903.

It is an arithmetic number, because the mean of its divisors is an integer number (148369060728).

Almost surely, 2^{1554342540740} is an apocalyptic number.

1554342540740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1554342540740 is an abundant number, since it is smaller than the sum of its proper divisors (2006514916732).

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

1554342540740 is a wasteful number, since it uses less digits than its factorization.

1554342540740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7065193387 (or 7065193385 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 44.

The spelling of 1554342540740 in words is "one trillion, five hundred fifty-four billion, three hundred forty-two million, five hundred forty thousand, seven hundred forty".